The left graph is the lowest daily prices of Hang Seng Index (HSI) from... | Download Scientific Diagram
![The Hong Kong stock market index Hang Seng Index or HSI is going up. A green zig-zag arrow behind the word Hang Seng on a blue background with chart Stock Photo - The Hong Kong stock market index Hang Seng Index or HSI is going up. A green zig-zag arrow behind the word Hang Seng on a blue background with chart Stock Photo -](https://c8.alamy.com/comp/RC8887/the-hong-kong-stock-market-index-hang-seng-index-or-hsi-is-going-up-a-green-zig-zag-arrow-behind-the-word-hang-seng-on-a-blue-background-with-chart-RC8887.jpg)
The Hong Kong stock market index Hang Seng Index or HSI is going up. A green zig-zag arrow behind the word Hang Seng on a blue background with chart Stock Photo -
![The Hang Seng Index, April 1-June 30, 1989. Note: The daily Hang Seng... | Download Scientific Diagram The Hang Seng Index, April 1-June 30, 1989. Note: The daily Hang Seng... | Download Scientific Diagram](https://www.researchgate.net/publication/289585397/figure/fig3/AS:618583130386445@1524493119394/The-Hang-Seng-Index-April-1-June-30-1989-Note-The-daily-Hang-Seng-Index-of-the-Hong.png)